Finding the Fourth Proportional to 251,557.12, 377,168.64 and 99,653.44
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Solution
The fourth proportional to 251,557.12, 377,168.64 and 99,653.44 is: 149,413.99
Step by Step Solution
- Step 1: Write the proportion equation
251,557.12 : 377,168.64 = 99,653.44 : x - Step 2: Convert to fraction form
251,557.12/377,168.64 = 99,653.44/x - Step 3: Cross multiply
251,557.12x = 377,168.64 × 99,653.44 - Step 4: Simplify right side
251,557.12x = 37,586,152,436.12 - Step 5: Solve for x
x = 37,586,152,436.12/251,557.12 - Step 6: Final answer
x = 149,413.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.